21315228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5209}}^1$

素因数の和:5258

約数の個数: 48

約数和(自身を含む): 56017920

約数和(自身を除く): 34702692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 186, 341, 372, 682, 1023, 1364, 2046, 4092, 5209, 10418, 15627, 20836, 31254, 57299, 62508, 114598, 161479, 171897, 229196, 322958, 343794, 484437, 645916, 687588, 968874, 1776269, 1937748, 3552538, 5328807, 7105076, 10657614, 21315228]

約数ペア:

[(1, 21315228), (2, 10657614), (3, 7105076), (4, 5328807), (6, 3552538), (11, 1937748), (12, 1776269), (22, 968874), (31, 687588), (33, 645916), (44, 484437), (62, 343794), (66, 322958), (93, 229196), (124, 171897), (132, 161479), (186, 114598), (341, 62508), (372, 57299), (682, 31254), (1023, 20836), (1364, 15627), (2046, 10418), (4092, 5209)]